Emitter and device provided with same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12125663
APP PUB NO 20240153730A1
SERIAL NO

18550077

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An emitter includes an insulator, a pair of terminals attached to the insulator separately from each other, at least one filament attached between the pair of terminals in an arch shape, and an electron source fixed to the filament. The filament has bent portions between a contact with respect to the electron source and contacts with respect to the terminals. A device is provided with the emitter.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
DENKA COMPANY LIMITED1-1 NIHONBASHI-MUROMACHI 2-CHOME CHUO-KU TOKYO 1038338 ?1038338

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishikawa, Daisuke Tokyo, JP 109 318

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